How long is the flight from Harlingen, Texas to District of Columbia?

Departing from Harlingen, Texas to District of Columbia will take you 5h 35m. Harlingen, Texas and District of Columbia are separated by a distance of 1477 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from HRL to DC?

When flying from Harlingen, Texas to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Harlingen to District of Columbia?

Located just 3.7 mi from the city center, Harlingen Valley Intl (HRL) is the airport most travelers will use when flying to District of Columbia from Harlingen.

How can I find direct flights from Harlingen to District of Columbia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to District of Columbia.

Can I find deals for business class flights from Harlingen to District of Columbia?

Yes. Cheapflights offers flight deals from Harlingen to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$256+ Flights from Harlingen, TX to District of Columbia

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Cheap flight deals from Harlingen to District of Columbia

Cheapest flights from Harlingen to District of Columbia
Explore the most affordable flight options available from Harlingen to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Tue 12/235:20 pmHRL - IAD

1 stop5h 29mUnited Airlines

Tue 12/306:08 amIAD - HRL

1 stop6h 05mUnited Airlines

Deal found 12/9

$429

Fri 12/265:34 amHRL - DCA

1 stop5h 38mAmerican Airlines

Tue 12/301:07 pmDCA - HRL

1 stop7h 09mAmerican Airlines

Deal found 12/11

$583

Fri 12/265:00 amHRL - IAD

1 stop5h 28mUnited Airlines

Tue 12/308:21 amIAD - HRL

2 stops14h 38mUnited Airlines

Deal found 12/11

$603

Fri 12/265:00 amHRL - DCA

1 stop5h 29mUnited Airlines

Tue 12/3010:30 amDCA - HRL

2 stops12h 29mUnited Airlines

Deal found 12/11

$677

Fri 12/262:48 pmHRL - IAD

1 stop6h 45mAmerican Airlines

Tue 12/306:05 amIAD - HRL

1 stop9h 13mAmerican Airlines

Deal found 12/11

$777

Best flights from Harlingen to District of Columbia
Discover carefully curated flight deals from Harlingen to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Tue 2/106:02 amHRL - IAD

2 stops10h 14mAmerican Airlines

Wed 2/185:32 pmIAD - HRL

1 stop6h 20mAmerican Airlines

Deal found 12/9

$256

Sat 2/149:20 amHRL - DCA

1 stop5h 35mUnited Airlines

Wed 2/1812:47 pmDCA - HRL

1 stop8h 11mUnited Airlines

Deal found 12/9

$331

Sat 1/1012:10 pmHRL - IAD

2 stops18h 20mUnited Airlines

Tue 1/138:15 amIAD - HRL

1 stop8h 51mUnited Airlines

Deal found 12/10

$415

Tue 12/235:20 pmHRL - IAD

1 stop5h 29mUnited Airlines

Tue 12/306:08 amIAD - HRL

1 stop6h 05mUnited Airlines

Deal found 12/9

$429

Fri 12/265:34 amHRL - DCA

1 stop5h 38mAmerican Airlines

Tue 12/301:07 pmDCA - HRL

1 stop7h 09mAmerican Airlines

Deal found 12/11

$583

Fri 12/265:00 amHRL - DCA

1 stop5h 29mUnited Airlines

Tue 12/3010:30 amDCA - HRL

2 stops12h 29mUnited Airlines

Deal found 12/11

$677

Last-minute flights from Harlingen to District of Columbia
Discover last-minute flight deals from Harlingen to District of Columbia. Data last updated December 12, 2025 and is based on user searches.

Tue 12/235:20 pmHRL - IAD

1 stop5h 29mUnited Airlines

Tue 12/306:08 amIAD - HRL

1 stop6h 05mUnited Airlines

Deal found 12/9

$429

Fri 12/265:34 amHRL - DCA

1 stop5h 38mAmerican Airlines

Tue 12/301:07 pmDCA - HRL

1 stop7h 09mAmerican Airlines

Deal found 12/11

$583

Fri 12/265:00 amHRL - IAD

1 stop5h 28mUnited Airlines

Tue 12/308:21 amIAD - HRL

2 stops14h 38mUnited Airlines

Deal found 12/11

$603

Fri 12/265:00 amHRL - DCA

1 stop5h 29mUnited Airlines

Tue 12/3010:30 amDCA - HRL

2 stops12h 29mUnited Airlines

Deal found 12/11

$677

Fri 12/262:48 pmHRL - IAD

1 stop6h 45mAmerican Airlines

Tue 12/306:05 amIAD - HRL

1 stop9h 13mAmerican Airlines

Deal found 12/11

$777

Sat 1/1012:10 pmHRL - IAD

2 stops18h 20mUnited Airlines

Tue 1/138:15 amIAD - HRL

1 stop8h 51mUnited Airlines

Deal found 12/10

$415

One-way flights from Harlingen to District of Columbia
Search for one-way flight options from Harlingen to District of Columbia. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Fri 12/262:48 pmHRL - IAD

1 stop6h 45mAmerican Airlines

Deal found 12/10

$387

Fri 12/267:00 amHRL - IAD

2 stops21h 19mUnited Airlines

Deal found 12/10

$460

Fri 1/25:00 amHRL - IAD

1 stop5h 28mUnited Airlines

Deal found 12/10

$480

Sat 12/272:48 pmHRL - IAD

1 stop6h 45mAmerican Airlines

Deal found 12/10

$519

Sat 12/279:55 amHRL - IAD

3 stops48h 28mMultiple Airlines

Deal found 12/10

$854

Fri 12/2612:37 pmHRL - IAD

3 stops50h 16mMultiple Airlines

Deal found 12/10

$897

Find flight deals from Harlingen to District of Columbia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$256 (American Airlines)

Provider with most accurate pricing for Harlingen Valley Intl-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Harlingen Valley Intl-Washington, D.C. (WAS) flights.

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From Harlingen Valley Intl to District of Columbia

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Harlingen to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Tue 2/10

6:02 am-5:16 pm

2 stops10h 14m

Washington, D.C. Dulles Intl

Wed 2/18

5:32 pm-10:52 pm

1 stop6h 20m

$256

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sat 2/14

9:20 am-3:55 pm

1 stop5h 35m

Washington, D.C. Reagan-National

Wed 2/18

12:47 pm-7:58 pm

1 stop8h 11m

$331

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Sat 1/10

12:10 pm-7:30 am

2 stops18h 20m

Washington, D.C. Dulles Intl

Tue 1/13

8:15 am-4:06 pm

1 stop8h 51m

$415

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Tue 12/23

5:20 pm-11:49 pm

1 stop5h 29m

Washington, D.C. Dulles Intl

Tue 12/30

6:08 am-11:13 am

1 stop6h 05m

$429

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 12/26

5:34 am-12:12 pm

1 stop5h 38m

Washington, D.C. Reagan-National

Tue 12/30

1:07 pm-7:16 pm

1 stop7h 09m

$583

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 12/26

5:00 am-11:29 am

1 stop5h 29m

Washington, D.C. Reagan-National

Tue 12/30

10:30 am-9:59 pm

2 stops12h 29m

$677

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Fri 12/26

2:48 pm-10:33 pm

1 stop6h 45m

$387

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Fri 12/26

7:00 am-5:19 am

2 stops21h 19m

$460

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Fri 1/2

5:00 am-11:28 am

1 stop5h 28m

$480

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Sat 12/27

2:48 pm-10:33 pm

1 stop6h 45m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 11 results

Best time to book a flight from Harlingen to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Harlingen with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to District of Columbia

What is the cheapest month to book a flight from Harlingen, Texas to District of Columbia?

Currently, September is the cheapest month in which you can book a flight from Harlingen, Texas to District of Columbia (average of $253). Flying from Harlingen, Texas to District of Columbia in December is currently the most expensive (average of $549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing District of Columbia

See what other customers who have flown with Southwest and United Airlines from Harlingen to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,093 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airport do you fly from for flights from Harlingen to District of Columbia?
Located just 3.7 mi from the city center, Harlingen Valley Intl (HRL) is the airport most travelers will use when flying to District of Columbia from Harlingen.
How long is the flight from Harlingen, Texas to District of Columbia?
Departing from Harlingen, Texas to District of Columbia will take you 5h 35m. Harlingen, Texas and District of Columbia are separated by a distance of 1477 mi. This flight may include one or multiple stops.
Can I find deals for flights from Harlingen to District of Columbia that include hotel bookings?
Yes. In addition to deals on Harlingen to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Harlingen to District of Columbia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to District of Columbia.
Can I find deals for business class flights from Harlingen to District of Columbia?
Yes. Cheapflights offers flight deals from Harlingen to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Harlingen, Texas to District of Columbia?
Currently, September is the cheapest month in which you can book a flight from Harlingen, Texas to District of Columbia (average of $253). Flying from Harlingen, Texas to District of Columbia in December is currently the most expensive (average of $549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Harlingen to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$155	Average$417	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$270	Average$398	FlexibilityNo cancel fee	On-time69%

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$256+ Cheap flights from Harlingen, TX (HRL) to District of Columbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Harlingen to District of Columbia with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Harlingen to District of Columbia

Cheapest flights from Harlingen to District of ColumbiaExplore the most affordable flight options available from Harlingen to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Harlingen to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Harlingen to District of Columbia

Keep the following information in mind while searching for Harlingen to District of Columbia flight deals. Data was last updated December 12, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Harlingen to District of Columbia that are best for you.

Best time to book a flight from Harlingen to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Harlingen with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to District of Columbia

What is the cheapest month to book a flight from Harlingen, Texas to District of Columbia?

Reviews of airlines servicing District of Columbia

See what other customers who have flown with Southwest and United Airlines from Harlingen to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Harlingen to District of Columbia?

How long is the flight from Harlingen, Texas to District of Columbia?

Can I find deals for flights from Harlingen to District of Columbia that include hotel bookings?

How can I find direct flights from Harlingen to District of Columbia?

Can I find deals for business class flights from Harlingen to District of Columbia?

What is the cheapest month to book a flight from Harlingen, Texas to District of Columbia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Harlingen to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Harlingen to District of Columbia

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Cheapest flights from Harlingen to District of Columbia
Explore the most affordable flight options available from Harlingen to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.